470 BRITISH OKIBATIDJ?. 



The nymplis of this genus whicli I know are very 

 different from the adults of the respective species. 



The two English species are chiefly found on the 

 leaves and boughs of trees, especially oaks, in spring. 



Table for identification of British species of Eremoius. 



Margin of the abdomen turned up . . cymba. 



Do. do. down . . brevipes. 



EREMiEUS CYMBA,* Nic. PL XLIV, figS. 1 11. 



Type species. 



Eremaus cymba, Nic. P. 451, pi. x, fig. 3. 



— — Can. e Fan., p. 22. 



— — Berlese. Acari, &c. Ital., fasc. xxxiii. 



Average length about '70 mm. 

 Average breadth about '42 mm. 

 Average length of first and third pairs of legs about 

 •35 mm. 



Average length of second pair of legs about '30 mm. 

 Average length of fourth pair of legs about '45 mm. 



This is a well-marked and handsome species ; its 

 most conspicuous characters are the raised margin of 

 the abdomen and the very blunt rounded rostrum. 



Colour yellowish-brown, not dark ; it is usually about 

 the tint of light-oak furniture, but varies a good deal. 



Texture quite dull, rough, and leathery ; without 

 the slightest gloss, but yet it is chitinous, not soft. 



Shape almost pyriform, very slightly pointed poste- 

 riorly. 



Cephalothorax. — E-ostrum extremely blunt and 

 rounded, almost truncated; rostral hairs very short. 



* Kvfi^r}, a boat. 



